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@ARTICLE{Matsubara:1238,
author = {Matsubara, S. and Krause, G.H. and Aranda, J. and Virgo, A.
and Beisel, K.G. and Jahns, P. and Winter, K.},
title = {{S}un-shade patterns of leaf carotenoid composition in 86
species of neotropical forest plants},
journal = {Functional plant biology},
volume = {36},
issn = {1445-4408},
address = {Collingwood, Victoria},
publisher = {CSIRO Publ.},
reportid = {PreJuSER-1238},
pages = {20 - 36},
year = {2009},
note = {We thank Barbara Krause, Maria Graf and Claudia Walraf for
competent assistance. This study was supported by the Andrew
W. Mellon Foundation, the Smithsonian Tropical Research
Institute and Deutsche Forschungsgemeinschaft (DFG).},
abstract = {A survey of photosynthetic pigments, including 86 species
from 64 families, was conducted for leaves of neotropical
vascular plants to study sun-shade patterns in carotenoid
biosynthesis and occurrence of alpha-carotene (alpha-Car)
and lutein epoxide (Lx). Under low light, leaves invested
less in structural components and more in light harvesting,
as manifested by low leaf dry mass per area (LMA) and
enhanced mass-based accumulation of chlorophyll (Chl) and
carotenoids, especially lutein and neoxanthin. Under high
irradiance, LMA was greater and beta-carotene (beta-Car) and
violaxanthin-cycle pool increased on a leaf area or Chl
basis. The majority of plants contained alpha-Car in leaves,
but the alpha- to beta-Car ratio was always low in the sun,
suggesting preference for beta-Car in strong light. Shade
and sun leaves had similar beta,epsilon-carotenoid contents
per unit Chl, whereas sun leaves had more
beta,beta-carotenoids than shade leaves. Accumulation of Lx
in leaves was found to be widely distributed among taxa: >5
mmol mol Chl(-1) in $20\%$ of all species examined and >10
mmol mol Chl(-1) in $10\%$ of woody species. In Virola
elongata (Benth.) Warb, having substantial Lx in both leaf
types, the Lx cycle was operating on a daily basis although
Lx restoration in the dark was delayed compared with
violaxanthin restoration.},
keywords = {J (WoSType)},
cin = {ICG-3},
ddc = {580},
cid = {I:(DE-Juel1)ICG-3-20090406},
pnm = {Terrestrische Umwelt},
pid = {G:(DE-Juel1)FUEK407},
shelfmark = {Plant Sciences},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000262238900003},
doi = {10.1071/FP08214},
url = {https://juser.fz-juelich.de/record/1238},
}